EIS Holdings, LLC, Announces Acquisition of Tierra Consulting Group, LLC
EIS expands Southeast services with acquisition of Tierra Consulting Group, strengthening groundwater treatment and remediation capabilities.
Westlake, TX – May 20, 2025 — EIS Holdings, LLC (EIS), one of the largest providers of mission-critical environmental and infrastructure services, announced today the acquisition of Tierra Consulting Group, LLC (Tierra), headquartered in Pompano Beach, Florida. This strategic acquisition represents a key step in EIS’ regional expansion strategy, aimed at enhancing its market presence nationwide to provide turnkey environmental solutions under one roof.
With more than 1,000 employees, EIS delivers a comprehensive suite of services including environmental consulting & compliance, surface & subsurface remediation, decontamination, abatement, and facility & infrastructure services across the United States.
With the addition of Tierra’s specialized services — including environmental engineering and compliance support, subsurface remediation, surveying, mapping, high-volume groundwater treatment, and dewatering — EIS is well-positioned to deliver enhanced capabilities to its clients across the Southeast and beyond.
“Tierra brings an extremely knowledgeable team with decades of experience in environmental consulting, dewatering, and remediation,” stated B.J. Stephan, EIS CEO. “This acquisition allows us to further expand our services into high-volume groundwater treatment, remediation, and dewatering by integrating exceptional talent and technology into the EIS family.”
Together, the EIS Family of Companies forms one of the largest environmental and infrastructure service providers in the U.S. With a proven track record of safety and performance, EIS is equipped to execute projects of any size, delivering the highest quality environmental solutions to clients nationwide.
EIS provides mission-critical environmental, remediation, and infrastructure services across the United States, serving a wide variety of public and private sectors. Headquartered in Westlake, Texas, EIS operates from 32 office locations across 34 states. As a leading remediation and specialty infrastructure services firm, EIS is committed to sustained growth through geographic expansion, service line extensions, and an unwavering dedication to safety.